/usr/share/pyshared/mayavi/sources/ is in mayavi2 4.1.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pyshared/mayavi/sources/__init__.py
/usr/share/pyshared/mayavi/sources/api.py
/usr/share/pyshared/mayavi/sources/array_source.py
/usr/share/pyshared/mayavi/sources/builtin_image.py
/usr/share/pyshared/mayavi/sources/builtin_surface.py
/usr/share/pyshared/mayavi/sources/chaco_reader.py
/usr/share/pyshared/mayavi/sources/image_reader.py
/usr/share/pyshared/mayavi/sources/metadata.py
/usr/share/pyshared/mayavi/sources/parametric_surface.py
/usr/share/pyshared/mayavi/sources/plot3d_reader.py
/usr/share/pyshared/mayavi/sources/point_load.py
/usr/share/pyshared/mayavi/sources/poly_data_reader.py
/usr/share/pyshared/mayavi/sources/three_ds_importer.py
/usr/share/pyshared/mayavi/sources/ui/
/usr/share/pyshared/mayavi/sources/ui/__init__.py
/usr/share/pyshared/mayavi/sources/ui/parametric_surface.py
/usr/share/pyshared/mayavi/sources/unstructured_grid_reader.py
/usr/share/pyshared/mayavi/sources/volume_reader.py
/usr/share/pyshared/mayavi/sources/vrml_importer.py
/usr/share/pyshared/mayavi/sources/vtk_data_source.py
/usr/share/pyshared/mayavi/sources/vtk_file_reader.py
/usr/share/pyshared/mayavi/sources/vtk_xml_file_reader.py